Oral Cavity Flashcards
Lingual Frenulum
Midline fold extending from floor of mouth to tongue on inferior surface
Has swelling of mouth called sublingual papilla
Submandibular salivary glands open to sublingual papilla
Fimbriated folds
Aka police fimbriata
Small folds lateral to linguial frenulum
Mark location of linguial veins
Sublingual folds
Aka plicae sublingualis
Overlie sublinguial salivary glands and have opening for ducts of glands
Genioglossus
O is mandible
I: tongue dorsal surface
Protrudes tongue
CN XII
Hyoglossus
O: Hyoid Bone both greater and lesser horns
I: Lateral side of tongue
Depresses tongue
CN XII
Styloglossus
O:Temporal Bone via styloid process
I: Lateral side of tongue
Draws tongue superiorly and posteriorly
CN XII
Longitudinal Muscle
Fiber orientation is anterior-posterior
Shorten tongue
CN XII
Transverse Muscle
Horizontal directed fibers
Narrows tongue
CN XII
Vertical Muscle
Superior-Inferior Muscle directions
Flatten and broaden tongue
CN XII
